The force F, acting in a constant direction on the block of mass M, has a magnitude which varies with the position x of the block. Determine how far the block slides before its velocity becomes v₁. When x = 0, the block is moving to the right at speed v₀ . The coefficient of kinetic friction between the block and surface is μ_k.

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Given: M = 20 kg V] = 5 VO = S m S Mk = 0.3 c = 3 d = 4 k = 50 N 2 m 8 = 9.81 m 2 F F. F = kr²